theory n. 1.理論,學(xué)理,原理。 2.學(xué)說,論說 (opp. hypothesis)。 3.推測,揣度。 4.〔口語〕見解,意見。 the theory of two points 兩點論。 Darwin's theory of evolution 達爾文的進化論。 theory of equations 【數(shù)學(xué)】方程論。 theory of everything 【物理學(xué)】(把相對論、量子論和宇宙大爆炸理論都包括在內(nèi)的)萬用理論。 theory of relativity 【物理學(xué)】相對論。 the atomic theory 原子說。 Our scheme is good both in theory and in practice. 我們的方案在理論上和實施上都是好的。 combine [separate] theory with [from] practice 理論結(jié)合[脫離]實際。 My theory is that we must bring new blood into the Institute through appointment of younger men to important positions. 我的意見是我們學(xué)院應(yīng)該通過重用年輕一些的人來注入新的血液。 theory of games 博弈論,對策論,權(quán)衡利弊得失的形勢分析。
Transient inflow performance relationship curve theory of oil - water well 油水井瞬態(tài)流入動態(tài)關(guān)系曲線研究
This paper analyzes the conditions that managers ' motivation works on corporate performance based on un - differential curve theory 摘要本文利用無差異曲線理論及分析工具,分析了經(jīng)營者激勵作用于公司績效的條件。
In addition , this paper analyzes cv through some correlative economic theories . they are avail theory , consumer remain theory and none difference curve theory 另外,論文運用經(jīng)濟學(xué)相關(guān)理論對顧客價值進行了解釋,主要運用了效用理論、消費者剩余理論和無差異曲線理論。
Based on this and on the bell curve theory by king hubert , it can be reasoned that in the coming 20 years the general world situation of oil will essentially remain balanced 以此為基礎(chǔ),根據(jù)kinghubert的鐘形曲線理論,可以作出如下推斷:在未來20年內(nèi)世界石油供需大勢仍將基本保持平衡。
And introduced follows the general innovation proliferation as the innovation proliferation internet development " s " the shape curve theory , as well as our country at present the internet development the stage which in the shape curve locates in " s " 并且介紹作為創(chuàng)新擴散的互聯(lián)網(wǎng)發(fā)展遵循的一般創(chuàng)新擴散的“ s ”形曲線理論,以及我國目前互聯(lián)網(wǎng)發(fā)展在“ s ”形曲線上所處的階段。
The main work in this thesis is described as follows : ( 1 ) this thesis introduces phylogeny and application actuality inland and abroad , summarizes the basic construction and forcing characteristic , and indicates the existed problems and developing trend of self - anchored suspension bridge . ( 2 ) this thesis researches systemically on the calculating theory of line shape for suspension bridge , deduced the applied calculating formulas of the combined geometry curve theory , and programs based on each geometry curve theory 主要做了以下工作: ( 1 )介紹了自錨式懸索橋的發(fā)展歷史和國內(nèi)外的應(yīng)用現(xiàn)狀,總結(jié)了自錨式懸索橋的基本構(gòu)造特點和受力特征,指出了自錨式懸索橋存在問題和發(fā)展趨勢; ( 2 )對懸索橋主纜線形計算理論進行了系統(tǒng)研究,提出并推導(dǎo)了主纜混合線形的計算理論和相應(yīng)的實用公式,編制了各種計算理論的計算程序。
At first the paper begin to study the foundation of digital curved face and space meshing principle , introduce the basic knowledge of curve theory and curved face theory , explain the mathematical tools of vector turning and coordinate conversion in the paper ; analyse the motion and relative motion of rigid body , provide the condition of gear driving continuous contact and equation of conjugate meshing 論文首先從參數(shù)化曲面和空間嚙合原理基礎(chǔ)出發(fā),介紹了曲線論和曲面論的基本知識,對課題研究重的數(shù)學(xué)工具矢量回轉(zhuǎn)和坐標(biāo)變換進行了說明;分析了剛體的運動和相對運動,根據(jù)空間嚙合原理給出了輪齒傳動連續(xù)接觸的條件和共軛條件方程。
Through the calculating example results and the comparisons with other calculating theories , it is proved that the calculating formulas of the combined geometry curve theory is valid , practical and accurate . it can be used in the calculation of line shape at the preliminary design , and can meet the engineering need . ( 3 ) this thesis researches systemically on the calculating theory of the suspension bridge ’ s cable system , including calculating design line shape and internal force , erection line shape of cable and pre - displacement of saddle without loads , the fixed position for erecting cable and amendatory method of cable ’ s unstressed length 通過算例驗證了混合線形理論公式的實用性和正確性,并且與其它計算理論的結(jié)果比較,證明公式有足夠的精度,可用做初步設(shè)計中主纜線形的計算,能夠滿足工程的需要; ( 3 )對自錨式懸索橋主纜系統(tǒng)計算理論進行了系統(tǒng)研究,包括成橋線形和內(nèi)力計算、空纜線形和內(nèi)力計算、鞍座預(yù)偏量計算、索夾安裝位置計算和索鞍處主纜無應(yīng)力長度修正方法。
But in the second phase , all of these theories can still be categorized into 4 kinds : dynamic comparative advantage theories , such as the new factors theories by baldwin and kenen , the life - cycle theory by vernon and hirsh , etc ; intra - industry trade theories such as product differentiation model by stiglitz and dixit , the strategy trade theory by spense , brander and krugman , and so on ; the endogenous trade theory such as technology overflow effect and learning curves theory by romer and krugman , the neo - classic trade theory by tucher and young , and the like ; and the competitive advantage theory by michael porter 在這一時期,經(jīng)濟學(xué)家們提出了形形色色的理論,出現(xiàn)了“百家爭鳴”局面?;旧峡梢詺w于以下四大類型:一是動態(tài)的比較優(yōu)勢理論;二是產(chǎn)業(yè)內(nèi)貿(mào)易理論;三是內(nèi)生國際貿(mào)易理論;四是競爭優(yōu)勢理論。各個階段的比較優(yōu)勢理論有其時代特點,但一個共同點是:比較優(yōu)勢始于成本差異,并一直沒有突破成本差異,而不考慮產(chǎn)品的附加值。